运行后apt-get dist-upgrade，尝试运行其他任何程序时仍出现以下错误。以下还包括当前软件包。任何帮助都值得感激。
# apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 37 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up linux-image-4.4.0-159-generic (4.4.0-159.187) ...
Processing triggers for linux-image-4.4.0-159-generic (4.4.0-159.187) ...
/etc/kernel/postinst.d/initramfs-tools:
/etc/kernel/postinst.d/initramfs-tools: 33: /etc/kernel/postinst.d/initramfs-tools: update-initramfs: not found
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 127
dpkg: error processing package linux-image-4.4.0-159-generic (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
linux-image-4.4.0-159-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
# sudo dpkg --get-selections | grep linux
libselinux1:amd64 install
linux-base install
linux-firmware install
linux-generic install
linux-headers-3.13.0-24 install
linux-headers-3.13.0-24-generic install
linux-headers-4.4.0-159 install
linux-headers-4.4.0-159-generic install
linux-headers-generic install
linux-image-3.13.0-24-generic deinstall
linux-image-4.4.0-159-generic install
linux-image-extra-3.13.0-24-generic deinstall
linux-image-generic install
linux-libc-dev:amd64 install
linux-modules-4.4.0-159-generic install
linux-modules-extra-4.4.0-159-generic install
util-linux install